Daggett & Ramsdell Liquid Calcium Base Coat 0.5 oz Daggett & Ramsdell’s calcium-rich moisturizing formula provides a perfect foundation base coat for your nail polish. Helps smooth unevenness and ridges so that polish goes on smoothly and evenly and allows nail polish to adhere better. Acts as a protective barrier to prevent nail polish color from staining your nails. Can be used alone for a long-lasting gloss finish.